diff --git a/utils/mocha/prepare_all_scripts_multi.sh b/utils/mocha/prepare_all_scripts_multi.sh
new file mode 100755
index 000000000..cc15e3865
--- /dev/null
+++ b/utils/mocha/prepare_all_scripts_multi.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+DIR="$( dirname "${BASH_SOURCE[0]}" )"
+
+spinstr='|/-\'
+i=0
+
+filenames=$(find $1 -type f \( -name '*.script' -o -name '*.scriptlib' \) -not -path "*/.deps/*")
+current=0
+total=$(ls ${filenames[@]} | wc -l)
+jobs=$(ps aux | grep "script_prep2.py" | wc -l) 
+
+compile () {
+        OFILENAME=${filename//.scriptlib/.java}
+        OFILENAME=${OFILENAME//.script/.java}
+
+    ok=1
+
+    if [[ -e $OFILENAME && $filename -nt $OFILENAME ]] || [ ! -e $OFILENAME ]; then
+        ${DIR}/script_prep2.py -i $filename -o $OFILENAME || ok=0
+
+        if [ ! $ok -eq 1 ]; then
+            printf "$filename $OFILENAME\n\n"
+        fi
+    fi
+}
+
+for filename in $filenames; do
+    current=$((current+1))
+    i=$(( (i+1) %4 ))
+    perc=$(bc -l <<< "scale=0; $current*100/$total")
+    printf "\rConverting .scripts [${spinstr:$i:1}] $perc%%"
+	while [ $jobs -ge 50 ]
+	do
+		sleep 5
+	done
+    compile $filename & done
+wait
+
+echo ""